Troy Lee Designs D4 Polyacrylite MIPS Helmet, Shadow, timber, M | 57-58cm

57 - 58 cm
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Product details

The undisputed king of full-face helmets, the D4 series, is now expanded with a polyacrylite model that incorporates the same safety and comfort features as the premium carbon and composite models, all packaged in a budget-friendly shell. Details make the D4 the most sought-after full-face helmet in mountain biking, including the Mips® C2 brain protection system, an air intake system for ventilation, and an unparalleled anatomical fit.

  • Mips® C2 rotational impact brain protection system
  • Advanced polyacrylite shell construction
  • Front air intake system with high airflow through the polymer center and power-grid side mesh
  • Clavicle protection system
  • Breakaway visor screws
  • Antibacterial padding
  • Quick-release contoured 3D cheek pads for an anatomically optimized fit.

Key specifications

Colour
Brown
Head circumference
57 - 58 cm
Bike helmet size
M
Item number
54421822

General information

Manufacturer
Troy Lee Designs
Category
Bike helmets
Manufacturer no.
174499013
Release date
5.2.2025
Sales rank in Category Bike helmets
1773 of 5398

Colour

Colour
Brown
Exact colour description
The Shadow, Timber

Material

Material group
Plastic
Material
Polyacrylite shell construction

Target group

Age group
Adults

Helmet properties

Bike helmet size
M
Head circumference
57 - 58 cm
Fastener
Lace fastening
Visor type
Removable

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Weight
1100 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «Bike helmets» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 23.Sweet Protection
    0.6 %
  • 28.Nutcase
    0.7 %
  • 28.Troy Lee Designs
    0.7 %
  • 30.Bluegrass Bicycle
    0.8 %
  • 30.Endura
    0.8 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • Troy Lee Designs
    Not enough data
  • 1.Abus
    0 days
  • 1.ALPINA SPORTS
    0 days
  • 1.Frezzo
    0 days
  • 1.Lazer Sport
    0 days

Return rate

How often is a product of this brand in the «Bike helmets» category returned?

Source: Digitec Galaxus
  • 18.Scott Sports
    18.5 %
  • 19.Cratoni
    19.4 %
  • 20.Troy Lee Designs
    20 %
  • 21.Kask
    20.9 %
  • 21.Unit1
    20.9 %
Source: Digitec Galaxus